From 21d67145ea11da7c027e2644cbe1499880f02549 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jose=20Alcal=C3=A1=20Correa?= <jose.alcala.correa@gmail.com>
Date: Wed, 14 Jan 2015 10:39:49 +0100
Subject: [PATCH] Add a condition to avoid entering nil values into
 dictionaries

---
 src/XNGMarkdownParser.m | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/XNGMarkdownParser.m b/src/XNGMarkdownParser.m
index 1dc92cf..833882e 100644
--- a/src/XNGMarkdownParser.m
+++ b/src/XNGMarkdownParser.m
@@ -228,10 +228,14 @@ - (void)recurseOnString:(NSString *)string withFont:(UINSFont *)font {
     recursiveParser->_topFont = font;
 
     NSAttributedString *recursedString =[recursiveParser attributedStringFromMarkdownString:string];
-    NSMutableAttributedString *mutableRecursiveString = [[NSMutableAttributedString alloc] initWithAttributedString:recursedString];
-    [mutableRecursiveString addAttributes:@{NSFontAttributeName : font}
-                                    range:NSMakeRange(0, recursedString.length)];
-    [_accum appendAttributedString:mutableRecursiveString];
+    if(font != nil) {
+        NSMutableAttributedString *mutableRecursiveString = [[NSMutableAttributedString alloc] initWithAttributedString:recursedString];
+        [mutableRecursiveString addAttributes:@{NSFontAttributeName : font}
+                                        range:NSMakeRange(0, recursedString.length)];
+        [_accum appendAttributedString:mutableRecursiveString];
+    } else {
+        [_accum appendAttributedString:recursedString];
+    }
 }
 
 - (void)consumeToken:(XNGMarkdownParserCode)token text:(char *)text {